one word is missing from chapter 6

Sentence "Hopefully by you feel like you're standing on much more solid ground with understanding lexical scope. " change to
"Hopefully by now you feel like you're standing on much more solid ground with understanding lexical scope. "

One word "now" is missing from the original sentence in this chapter

Author: Li-YangZhong

scope-closures/ch6.md

@@ -691,6 +691,6 @@ The point of lexical scoping rules in a programming language is so we can approp
 
 And one of the most important organizational techniques is to ensure that no variable is over-exposed to unnecessary scopes (POLE). Hopefully you now appreciate block scoping much more deeply than before.
 
-Hopefully by you feel like you're standing on much more solid ground with understanding lexical scope. From that base, the next chapter jumps into the weighty topic of closure.
+Hopefully by now you feel like you're standing on much more solid ground with understanding lexical scope. From that base, the next chapter jumps into the weighty topic of closure.
 
 [^POLP]: *Principle of Least Privilege*, https://en.wikipedia.org/wiki/Principle_of_least_privilege, 3 March 2020.